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Theorem brtxpsd 36114
Description: Expansion of a common form used in quantifier-free definitions. (Contributed by Scott Fenton, 17-Apr-2014.) (Revised by Mario Carneiro, 19-Apr-2014.)
Hypotheses
Ref Expression
brtxpsd.1 𝐴 ∈ V
brtxpsd.2 𝐵 ∈ V
Assertion
Ref Expression
brtxpsd 𝐴ran ((V ⊗ E ) △ (𝑅 ⊗ V))𝐵 ↔ ∀𝑥(𝑥𝐵𝑥𝑅𝐴))
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝑅

Proof of Theorem brtxpsd
StepHypRef Expression
1 df-br 5101 . . 3 (𝐴ran ((V ⊗ E ) △ (𝑅 ⊗ V))𝐵 ↔ ⟨𝐴, 𝐵⟩ ∈ ran ((V ⊗ E ) △ (𝑅 ⊗ V)))
2 opex 5421 . . . . 5 𝐴, 𝐵⟩ ∈ V
32elrn 5852 . . . 4 (⟨𝐴, 𝐵⟩ ∈ ran ((V ⊗ E ) △ (𝑅 ⊗ V)) ↔ ∃𝑥 𝑥((V ⊗ E ) △ (𝑅 ⊗ V))⟨𝐴, 𝐵⟩)
4 brsymdif 5159 . . . . . 6 (𝑥((V ⊗ E ) △ (𝑅 ⊗ V))⟨𝐴, 𝐵⟩ ↔ ¬ (𝑥(V ⊗ E )⟨𝐴, 𝐵⟩ ↔ 𝑥(𝑅 ⊗ V)⟨𝐴, 𝐵⟩))
5 brv 5430 . . . . . . . . 9 𝑥V𝐴
6 vex 3446 . . . . . . . . . 10 𝑥 ∈ V
7 brtxpsd.1 . . . . . . . . . 10 𝐴 ∈ V
8 brtxpsd.2 . . . . . . . . . 10 𝐵 ∈ V
96, 7, 8brtxp 36100 . . . . . . . . 9 (𝑥(V ⊗ E )⟨𝐴, 𝐵⟩ ↔ (𝑥V𝐴𝑥 E 𝐵))
105, 9mpbiran 710 . . . . . . . 8 (𝑥(V ⊗ E )⟨𝐴, 𝐵⟩ ↔ 𝑥 E 𝐵)
118epeli 5536 . . . . . . . 8 (𝑥 E 𝐵𝑥𝐵)
1210, 11bitri 275 . . . . . . 7 (𝑥(V ⊗ E )⟨𝐴, 𝐵⟩ ↔ 𝑥𝐵)
13 brv 5430 . . . . . . . 8 𝑥V𝐵
146, 7, 8brtxp 36100 . . . . . . . 8 (𝑥(𝑅 ⊗ V)⟨𝐴, 𝐵⟩ ↔ (𝑥𝑅𝐴𝑥V𝐵))
1513, 14mpbiran2 711 . . . . . . 7 (𝑥(𝑅 ⊗ V)⟨𝐴, 𝐵⟩ ↔ 𝑥𝑅𝐴)
1612, 15bibi12i 339 . . . . . 6 ((𝑥(V ⊗ E )⟨𝐴, 𝐵⟩ ↔ 𝑥(𝑅 ⊗ V)⟨𝐴, 𝐵⟩) ↔ (𝑥𝐵𝑥𝑅𝐴))
174, 16xchbinx 334 . . . . 5 (𝑥((V ⊗ E ) △ (𝑅 ⊗ V))⟨𝐴, 𝐵⟩ ↔ ¬ (𝑥𝐵𝑥𝑅𝐴))
1817exbii 1850 . . . 4 (∃𝑥 𝑥((V ⊗ E ) △ (𝑅 ⊗ V))⟨𝐴, 𝐵⟩ ↔ ∃𝑥 ¬ (𝑥𝐵𝑥𝑅𝐴))
193, 18bitri 275 . . 3 (⟨𝐴, 𝐵⟩ ∈ ran ((V ⊗ E ) △ (𝑅 ⊗ V)) ↔ ∃𝑥 ¬ (𝑥𝐵𝑥𝑅𝐴))
20 exnal 1829 . . 3 (∃𝑥 ¬ (𝑥𝐵𝑥𝑅𝐴) ↔ ¬ ∀𝑥(𝑥𝐵𝑥𝑅𝐴))
211, 19, 203bitrri 298 . 2 (¬ ∀𝑥(𝑥𝐵𝑥𝑅𝐴) ↔ 𝐴ran ((V ⊗ E ) △ (𝑅 ⊗ V))𝐵)
2221con1bii 356 1 𝐴ran ((V ⊗ E ) △ (𝑅 ⊗ V))𝐵 ↔ ∀𝑥(𝑥𝐵𝑥𝑅𝐴))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wb 206  wal 1540  wex 1781  wcel 2114  Vcvv 3442  csymdif 4206  cop 4588   class class class wbr 5100   E cep 5533  ran crn 5635  ctxp 36050
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5245  ax-nul 5255  ax-pr 5381  ax-un 7692
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-symdif 4207  df-nul 4288  df-if 4482  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5529  df-eprel 5534  df-xp 5640  df-rel 5641  df-cnv 5642  df-co 5643  df-dm 5644  df-rn 5645  df-res 5646  df-iota 6458  df-fun 6504  df-fn 6505  df-f 6506  df-fo 6508  df-fv 6510  df-1st 7945  df-2nd 7946  df-txp 36074
This theorem is referenced by:  brtxpsd2  36115
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